NYbill discusses the DSO Pocket Oscilloscope v3. A few test circuits are set up to put the scope through its paces.
The DSO at Adafruit: https://www.adafruit.com/products/468
The 555 timer chip: http://electronicsclub.info/555timer.htm#astable
The script used to blink the Teensy: http://www.pjrc.com/teensy/loader_linux.html
Pictures for the episode: http://media.gunmonkeynet.net/u/nybill/collection/pics-for-an-hpr-ep-making-waves/
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